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The review was held to present the complete system design developed at NASA's Goddard Space Flight Center, and to make sure that technical issues have been properly addressed. Additionally, it ensured that the design maturity justifies the start of manufacturing mission hardware and software. As a result of this major assessment, NASA's independent review board provided a green light for proceeding into the fabrication and integration phase of the project.

Image right: This is an artist's concept of the LRO spacecraft in orbit around the moon. Credit: NASA Print-resolution copy

The first in a series of robotic missions to the moon, the lunar orbiter is scheduled for launch in October 2008. It will carry six science instruments and a technology demonstration. The mission goal is to expand the coverage and accuracy of lunar maps and environmental data, enabling selection of landing sites for future robotic and human lunar missions.

"LRO will lead the way for NASA to reduce many of the major physical uncertainties in the basic definition of the moon itself, especially filling in gaps in our understanding of lunar topography, temperature, and resources including potential hydrogen and water, and in the information about the lunar poles," said Tony Lavoie, NASA's Lunar Precursor and Robotic Program Manager. "A solid performance as a result of this CDR review allows us to have high confidence that the LRO team at Goddard will make it to the launch pad on time for this crucial launch." LRO is part of NASA's Lunar Precursor and Robotic Program, located at the Marshall Space Flight Center, Huntsville, Ala.

The LRO Critical Design Review began November 6, 2006 at NASA Goddard in Greenbelt, Md., where LRO will be built. The independent review board, comprised of reviewers from NASA and several external organizations, heard presentations on all aspects of LRO design. Presentations included the spacecraft construction and systems integration, the science operations center, testing, and safety requirements.

Critical Design Reviews are one-time programmatic events that bridge the design and manufacturing stages of a project. A successful review means that the design is validated and will meet its requirements, is backed up with solid analysis and documentation, and has been proven to be safe. LRO's CDR completion grants Goddard permission to begin manufacturing hardware.